EP1091457B1 - Electrical connector element and system - Google Patents

Electrical connector element and system Download PDF

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Publication number
EP1091457B1
EP1091457B1 EP00120996A EP00120996A EP1091457B1 EP 1091457 B1 EP1091457 B1 EP 1091457B1 EP 00120996 A EP00120996 A EP 00120996A EP 00120996 A EP00120996 A EP 00120996A EP 1091457 B1 EP1091457 B1 EP 1091457B1
Authority
EP
European Patent Office
Prior art keywords
housing
plug connecting
connecting element
contact
complementary
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP00120996A
Other languages
German (de)
French (fr)
Other versions
EP1091457A3 (en
EP1091457A2 (en
Inventor
Rudolf Fekonja
Maximilian Groebmair
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Bayerische Motoren Werke AG
Original Assignee
Bayerische Motoren Werke AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Bayerische Motoren Werke AG filed Critical Bayerische Motoren Werke AG
Publication of EP1091457A2 publication Critical patent/EP1091457A2/en
Publication of EP1091457A3 publication Critical patent/EP1091457A3/en
Application granted granted Critical
Publication of EP1091457B1 publication Critical patent/EP1091457B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/46—Bases; Cases
    • H01R13/52—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
    • H01R13/5219—Sealing means between coupling parts, e.g. interfacial seal
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/02—Contact members
    • H01R13/025—Contact members formed by the conductors of a cable end
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/02—Contact members
    • H01R13/10—Sockets for co-operation with pins or blades
    • H01R13/11—Resilient sockets
    • H01R13/112—Resilient sockets forked sockets having two legs
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/40—Securing contact members in or to a base or case; Insulating of contact members
    • H01R13/405—Securing in non-demountable manner, e.g. moulding, riveting
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/40—Securing contact members in or to a base or case; Insulating of contact members
    • H01R13/42—Securing in a demountable manner
    • H01R13/428—Securing in a demountable manner by resilient locking means on the contact members; by locking means on resilient contact members
    • H01R13/432—Securing in a demountable manner by resilient locking means on the contact members; by locking means on resilient contact members by stamped-out resilient tongue snapping behind shoulder in base or case
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
    • H01R13/627—Snap or like fastening
    • H01R13/6271—Latching means integral with the housing
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S439/00—Electrical connectors
    • Y10S439/93—Coupling part wherein contact is comprised of a wire or brush

Definitions

  • the invention relates to an electrical connector element according to the preamble of claims 1 and 5 respectively.
  • a separate contact part is usually attached to the stripped end of an electrical line, with which connection to a contacting point of a complementary plug connection element can be produced.
  • an electrical line with which connection to a contacting point of a complementary plug connection element can be produced.
  • for isolation, protection and better handling and to ensure a functionally reliable detachable connection cable end and separate contact part are surrounded by a connector housing. Often the line is stored together with the attached contact part floating in the connector housing.
  • This conventional plug structure adds cost by making and attaching a separate contact part to the cable end. Moreover, the additional contact parts lead to an increase in weight of the entire connector.
  • a receiving part has a plug slot with ausfedernden contact tabs.
  • An associated plug part has a plug-in bar with a bore, through which a wire serving as a contact wire of a cable is inserted.
  • an electrical connector between flexible lead wires and electrical conductors having a carrier with holes for receiving one or more flexible lead wires.
  • the lead wires each have a non-insulated end whose original shape has remained approximately unchanged.
  • the carrier serves the separable and electrically conductive connection with the electrical conductor.
  • the connector has a holding part for the carrier for releasably holding the lead wires in this. This is done in such a way that the lead wires can be inserted into or removed from the carrier or can be separated from the conductors together with the carrier and the holding part.
  • a connector is known in which a first connector element receives a ribbon cable with a plurality of conductors and a second connector element is provided with a corresponding number of contact springs. Each of the contact springs comes into contact with a conductor without sliding friction.
  • Object of the present invention is to develop an electrical connector element such that a simple and cost-effective way a functionally reliable electrical connection of an electrical cable is possible in areas where vibrations and vibrations occur.
  • a central idea of the invention is to use the stripped ends of the wires of a cable, which are held in a housing, directly and even as contact elements. These wires come directly into direct contact with associated contact elements of a complementary connector element. By this measure, a separate, to be attached to the vein Contact part omitted. This can be dispensed not only on the production of such a contact part, but also on the process step of the arrangement of such a separate contact part to a line end.
  • the ends of the wires are housed or embedded in the housing so as to allow a motion-free connection between the ends of the wires and the associated contact elements of a complementary connector element when connected to the complementary connector element state.
  • the compound is also gas-tight.
  • the ends of the wires can rest on the one hand on a housing inner part and on the other hand on the associated contact elements of the complementary connector element.
  • the ends of the wires on the one hand and the associated contact elements on the other hand pressed together in an assembly of the electrical connector element with its complementary element, so that it is not only a gas-free, but a motion-free electrical connection between the electrically conductive elements of the two connector elements comes.
  • the reliability of the connector is thus guaranteed even in those applications where vibrations, vibrations or other forces acting on the electrical connection forces occur.
  • the housing with the stripped ends of the wires is designed such that a substantially frictional and insertion force-free contact with the complementary connector element is possible.
  • This measure is used in particular to avoid surface damage when merging the two serving as contact elements, conductive parts. If the ends of the wires and the contact elements of a complementary connector element on the merge of the two connector elements to each other, they rub against each other, which may damage or affect the surface of the various conductors. This is conventionally prevented by surface treatment with a friction-resistant material, for example gold.
  • the electrical connector elements, in particular the housing be designed so that the ends of the wires and the contact elements do not touch in the first step of the merging. After the substantially complete merging of the two housings, the associated ends of the wires and the contact elements are brought together by a relative pivoting movement of the housing without sliding frictional and endlagenionat in abutment.
  • a preferred embodiment of the invention is characterized in that the ends of the wires are molded and / or surface-treated.
  • the ends of the wires are molded and / or surface-treated.
  • the surface treatment also serves to protect the cable ends.
  • the ends of the wires may be bent or otherwise deformed. This can be on the one hand create larger contact surfaces between the ends of the wires and the contact elements of the complementary connector element.
  • the two aforementioned types of treatment can also be combined.
  • the ends of the wires can be tinned and subsequently formed or deformed.
  • the housing is molded or cast on the cable according to a particular embodiment and is preferably made of a plastic material.
  • both the housing of the electrical connector element as well as that of the complementary connector element is substantially large design freedom.
  • the two housings are first assembled by a linear displacement and then brought by a mutual pivoting movement into an end position, after which the contacts of the electrical connector elements come to rest on each other.
  • Essential to the invention is that the ends of the wires directly serve as contact elements for direct contact with associated contact elements of the complementary connector element.
  • the complementary connector element may also be formed according to the invention, i. the contact elements are formed by the wires themselves.
  • FIG.1 a longitudinal section through an electrical connector with a connector element according to the invention and Fig. 2 a conventional electrical connector.
  • a conventional electrical connector as in Fig. 2 is shown comprises two connector elements 60 and 70, which are joined together.
  • the connector element 60 comprises a cylindrical housing 62, which is approximately U-shaped in cross-section. Coaxially received in the housing 62 is a contact pin 64 projecting into a cavity.
  • the housing 62 is present element of a device not shown and attached thereto.
  • the contact pin 64 extends into the device itself and provides an electrical connection to another electrical conductor.
  • a housing 72 of the second electrical connector element 70 is formed complementary to the housing 62 and can be moved in or on this.
  • the electrical connector element 70 comprises, in addition to the housing 72, a line 74 with an electrical wire.
  • the end of this lead 74 is stripped and a separate contact member 76 is attached thereto.
  • the separate contact part is made entirely of metal and has at its front end a mouth-like opening 78 into which the contact pin 64 can be displaced when joining the two housings 62 and 72 to form an electrical connection. When pushing the contact pin 64 into the mouth-like opening 78, it is slightly pushed apart.
  • FIG. 1 illustrated example of an electrical connector according to the invention now advantageously avoids the separate contact part 76 of a conventional connector according to Fig. 2
  • This in Fig. 1 illustrated electrical connector element 10 is intended to those with reference numeral 60 Fig. 2 correspond.
  • an attached to a device housing 12 is provided with a substantially U-shaped cross-section, in which a contact pin 14 is received.
  • This connector 20 comprises a cable which is inserted into a housing 22 and enclosed by this.
  • the housing 22 is formed in particular on the cable and consists of plastic.
  • a stripped end of the cable, which releases the wire 26, is tinned on the one hand, on the other hand, it is deformed such that the largest possible contacting surface with the contact pin 14 of the complementary plug connection element can be formed.
  • a recess 23 is provided, into which the contact pin 14 is moved when merging the two housings 22 and 12.
  • the end of the core 26 is now arranged in the housing so that it rests on the one hand on a housing inner wall 21, on the other hand accessible from the recess 23.
  • the contact pin 14 is moved into the recess 23.
  • the two housings 22 and 12 are formed so complementary to each other that they can be positively moved into each other.
  • the two housings 22 and 12 may be locked by a latching connection, so that the release of the releasable connection is possible only via a resistor. This avoids unintentional disconnection.
  • the invention is characterized in that the housing to be joined together - so the coupling - are designed so that the end 28 of the Ad 26 does not come into contact with the contact pin 14 when merging the housing. Only by a pivoting or rotation after the substantially complete merging of the two housing parts 12 and 22, the ends 28 of the wires 16 are brought to slide against each other to the plant. This procedure avoids friction-induced damage to the conductor surfaces.
  • the invention can also be applied to connectors having a plurality of wires.
  • Present is in Fig. 1 for clarity, only one electrical connection shown.
  • the design of the housing is in the field of design of a designer and can be determined by the application.

Description

Die Erfindung betrifft ein elektrisches Steckverbindungselement gemäß dem Oberbegriff der Patentansprüche 1 bzw. 5.The invention relates to an electrical connector element according to the preamble of claims 1 and 5 respectively.

Bei einem herkömmlichen elektrischen Steckverbindungselement ist an das abisolierte Ende einer elektrischen Leitung in der Regel ein separates Kontaktteil befestigt, mit welchem eine Verbindung mit einer Kontaktierungsstelle eines komplementären Steckverbindungselements hergestellt werden kann. Insbesondere zur Isolation, zum Schutz und zur besseren Handhabung sowie zur Sicherstellung einer funktionssicheren wiederlösbaren Verbindung sind Kabelende und separates Kontaktteil von einem Steckergehäuse umgeben. Oftmals ist die Leitung zusammen mit dem daran befestigten Kontaktteil schwimmend im Steckergehäuse gelagert.In a conventional electrical plug connection element, a separate contact part is usually attached to the stripped end of an electrical line, with which connection to a contacting point of a complementary plug connection element can be produced. In particular, for isolation, protection and better handling and to ensure a functionally reliable detachable connection cable end and separate contact part are surrounded by a connector housing. Often the line is stored together with the attached contact part floating in the connector housing.

Dieser herkömmliche Steckeraufbau erzeugt zusätzliche Kosten durch die Herstellung und die Anfügung eines separaten Kontaktteils an das Kabelende. Überdies führen die zusätzlichen Kontaktteile zu einer Gewichtszunahme der gesamten Steckverbindung.This conventional plug structure adds cost by making and attaching a separate contact part to the cable end. Moreover, the additional contact parts lead to an increase in weight of the entire connector.

Bei der Verwendung eines Antennen- oder Koaxialkabels ist es bekannt, die Ader eines Kabels direkt als Kontaktelement zu benutzen. Dabei ist eine Isolierung am Kabelende entfernt. Das Ende der Ader wird beim Zusammenfügen mit einer Buchse in eine Aufnahme eingeführt. Zur Befestigung des Koaxialkabels an einem anderen Kabel oder einem Gerät wird eine einen Teil der Steckverbindung bildende Mutter auf einen ein Außengewinde aufweisendes Gehäuseteil des anderen Kabels oder der Gerätebuchse aufgeschraubt. Diese Ausführungsform ist jedoch nur bei statischen Anwendungen einsetzbar. Für einen Einsatz in einem Bereich, in dem Vibrationen und Schwingungen auftreten, ist sie nicht geeignet.When using an antenna or coaxial cable, it is known to use the wire of a cable directly as a contact element. An insulation at the cable end is removed. The end of the wire is inserted into a socket when mated with a socket. To attach the coaxial cable to another cable or a device, a part of the connector forming nut is screwed onto an external thread housing part of the other cable or the device socket. However, this embodiment is only at can be used for static applications. It is not suitable for use in an area where vibrations and vibrations occur.

Aus der DE 39 15 611 C1 ist eine elektrische Steckverbindung bekannt, bei der ein Aufnahmeteil einen Steckerschlitz mit ausfedernden Kontaktnasen aufweist. Ein dazugehöriges Steckerteil besitzt einen Steckersteg mit einer Bohrung, durch die eine als Kontaktteil dienende Ader eines Kabels eingesetzt ist. Beim Zusammenfügen der Steckverbindung werden die ausfedernden Kontaktnasen beim Einführen des Steckerteils in den Steckerschlitz auseinandergedrückt, wodurch es zu einem Entlangschleifen des Kontaktteils an den Kontaktnasen kommt. Dadurch kann die leitende Oberfläche des Kontaktteiles verletzt werden.From the DE 39 15 611 C1 an electrical plug connection is known, in which a receiving part has a plug slot with ausfedernden contact tabs. An associated plug part has a plug-in bar with a bore, through which a wire serving as a contact wire of a cable is inserted. When assembling the connector, the ausfedernden contact tabs are pressed apart during insertion of the connector part in the connector slot, resulting in a long grinding of the contact part of the contact lugs. As a result, the conductive surface of the contact part can be injured.

In der DE 195 00 288 A1 ist eine Anzeigeeinrichtung mit einem herausgeführten elektrischen Kontakt beschrieben, der mit einen Gegenkontakt lösbar verbindbar ist. Durch eine bewegliche Gestaltung des Kontaktes oder des Gegenkontaktes sowie eine Bewegung desselben über ein Hebelsystem ist eine kräftefreie Zusammenfügung von Anzeigeeinrichtung und Gegenkontaktelement möglich. Bei dieser Ausführungsform besteht bei Vorliegen von Vibrationen jedoch die Möglichkeit einer Kontaktierungsbeeinträchtigung mit einer nachfolgenden Funktionsstörung.In the DE 195 00 288 A1 a display device is described with a led out electrical contact, which is detachably connectable to a mating contact. By a movable design of the contact or the mating contact and a movement thereof via a lever system, a force-free assembly of display device and mating contact element is possible. In this embodiment, however, there is the possibility of a Kontaktierungsbeeinträchtigung with a subsequent malfunction in the presence of vibration.

Aus der US-A-3 855 567 ist eine elektrische Steckverbindung zwischen biegsamen Leitungsdrähten und elektrischen Leitern bekannt, die einen Träger mit Löchern zur Aufnahme eines oder mehrerer biegsamer Leitungsdrähte aufweist. Die Leitungsdrähte haben jeweils ein nicht isoliertes Ende, dessen ursprüngliche Form in etwa unverändert geblieben ist. Der Träger dient der trennbaren und elektrisch leitenden Verbindung mit dem elektrischen Leiter. Ferner weist die Steckverbindung einen Halteteil für den Träger zum lösbaren Festhalten der Leitungsdrähte in diesem auf. Dies geschieht derart, dass die Leitungsdrähte in den Träger einführbar oder aus ihm herausnehmbar bzw. zusammen mit dem Träger und dem Halteteil von den Leitern trennbar sind.From the US-A-3,855,567 For example, there is known an electrical connector between flexible lead wires and electrical conductors having a carrier with holes for receiving one or more flexible lead wires. The lead wires each have a non-insulated end whose original shape has remained approximately unchanged. The carrier serves the separable and electrically conductive connection with the electrical conductor. Furthermore, the connector has a holding part for the carrier for releasably holding the lead wires in this. This is done in such a way that the lead wires can be inserted into or removed from the carrier or can be separated from the conductors together with the carrier and the holding part.

Aus der US-A-5 147 510 ist eine Steckverbindung bekannt, bei der ein erstes Steckverbindungselement ein Flachbandkabel mit einer Vielzahl von Leitern aufnimmt und ein zweites Steckverbindungselement mit einer entsprechenden Anzahl an Kontaktfedern versehen ist. Jede der Kontaktfedern tritt mit einem Leiter gleitreibungsfrei in Kontakt.From the US-A-5 147 510 a connector is known in which a first connector element receives a ribbon cable with a plurality of conductors and a second connector element is provided with a corresponding number of contact springs. Each of the contact springs comes into contact with a conductor without sliding friction.

Aufgabe der vorliegenden Erfindung ist es, ein elektrisches Steckverbindungselement derart weiterzubilden, daß eine einfache und kostengünstige Möglichkeit einer funktionssicheren elektrischen Verbindung eines elektrischen Kabels auch in Bereichen möglich ist, in dem Vibrationen und Schwingungen auftreten.Object of the present invention is to develop an electrical connector element such that a simple and cost-effective way a functionally reliable electrical connection of an electrical cable is possible in areas where vibrations and vibrations occur.

Diese Aufgabe wird durch die im Anspruch 1 angegebenen Merkmale gelöst.This object is achieved by the features specified in claim 1.

Ein Kerngedanke der Erfindung besteht darin, die abisolierten Enden der Adern eines Kabels, die in einem Gehäuse gehalten sind, direkt und selbst als Kontaktelemente zu verwenden. Dabei kommen diese Adern direkt in unmittelbare Anlage an zugeordnete Kontaktelemente eines komplementären Steckverbindungselements. Durch diese Maßnahme kann ein separates, an die Ader anzufügendes Kontaktteil entfallen. Damit kann nicht nur auf die Herstellung eines solchen Kontaktteils, sondern auch auf den Verfahrensschritt der Anordnung eines solchen separaten Kontaktteils an ein Leitungsende verzichtet werden.A central idea of the invention is to use the stripped ends of the wires of a cable, which are held in a housing, directly and even as contact elements. These wires come directly into direct contact with associated contact elements of a complementary connector element. By this measure, a separate, to be attached to the vein Contact part omitted. This can be dispensed not only on the production of such a contact part, but also on the process step of the arrangement of such a separate contact part to a line end.

Die Enden der Adern sind derart in dem Gehäuse aufgenommen oder eingebettet, um bei mit dem komplementären Steckverbindungselement verbundenen Zustand eine bewegungsfreie Verbindung zwischen den Enden der Adern und den zugeordneten Kontaktelementen eines komplementären Steckverbindungselements zu ermöglichen. Insbesondere ist die Verbindung auch gasdicht.The ends of the wires are housed or embedded in the housing so as to allow a motion-free connection between the ends of the wires and the associated contact elements of a complementary connector element when connected to the complementary connector element state. In particular, the compound is also gas-tight.

Die Enden der Adern können einerseits an einem Gehäuseinnenteil und andererseits an den zugeordneten Kontaktelementen des komplementären Steckverbindungselements anliegen. Durch diese Anordnung werden die Enden der Adern einerseits und die zugeordneten Kontaktelemente andererseits bei einem Zusammenfügen des elektrischen Steckverbindungselements mit seinem komplementären Element aufeinander gepreßt, so daß es nicht nur zu einer gasfreien, sondern zu einer bewegungsfreien elektrischen Verbindung zwischen den elektrisch leitenden Elementen der beiden Steckverbindungselemente kommt. Die Funktionssicherheit der Steckverbindung ist damit auch bei solchen Anwendungsbereichen gewährleistet, wo Schwingungen, Vibrationen oder sonstige auf die elektrische Verbindung einwirkende Kräfte auftreten.The ends of the wires can rest on the one hand on a housing inner part and on the other hand on the associated contact elements of the complementary connector element. By this arrangement, the ends of the wires on the one hand and the associated contact elements on the other hand pressed together in an assembly of the electrical connector element with its complementary element, so that it is not only a gas-free, but a motion-free electrical connection between the electrically conductive elements of the two connector elements comes. The reliability of the connector is thus guaranteed even in those applications where vibrations, vibrations or other forces acting on the electrical connection forces occur.

Ferner ist das Gehäuse mit den abisolierten Enden der Adern derart ausgeführt, daß eine im wesentlichen reibungs- und steckkraftfreie Kontaktierung mit dem komplementären Steckverbindungselement möglich ist. Diese Maßnahme dient insbesondere dazu, Oberflächenbeschädigungen beim Zusammenführen der beiden als Kontaktelemente dienenden, leitenden Teile zu vermeiden. Liegen die Enden der Adern und die Kontaktelemente eines komplementären Steckverbindungselements beim Zusammenführen beider Steckverbindungselemente aufeinander, so reiben sie aneinander, wodurch möglicherweise die Oberfläche der verschiedenen Leiter beschädigt oder beeinträchtigt wird. Dem beugt man herkömmlicherweise dadurch vor, daß eine Oberflächenbehandlung mit einem reibungsfesten Material, beispielsweise Gold, vorgenommen wird. Um eine solch teure Oberflächenbehandlung zu vermeiden, können die zusammenzufügenden elektrischen Steckverbindungselemente, insbesondere die Gehäuse so ausgeführt sein, daß die Enden der Adern und die Kontaktelemente sich beim ersten Schritt des Zusammenführens nicht berühren. Nach dem im wesentlichen vollständigen Zusammenführen der beiden Gehäuse werden die zugehörigen Enden der Adern und die Kontaktelemente durch eine Relativ Verschwenkbewegung der Gehäuse miteinander gleitreibungsfrei und endlagenmäßig aufeinander in Anlage gebracht.Furthermore, the housing with the stripped ends of the wires is designed such that a substantially frictional and insertion force-free contact with the complementary connector element is possible. This measure is used in particular to avoid surface damage when merging the two serving as contact elements, conductive parts. If the ends of the wires and the contact elements of a complementary connector element on the merge of the two connector elements to each other, they rub against each other, which may damage or affect the surface of the various conductors. This is conventionally prevented by surface treatment with a friction-resistant material, for example gold. In order to avoid such an expensive surface treatment, the electrical connector elements, in particular the housing be designed so that the ends of the wires and the contact elements do not touch in the first step of the merging. After the substantially complete merging of the two housings, the associated ends of the wires and the contact elements are brought together by a relative pivoting movement of the housing without sliding frictional and endlagenmäßig in abutment.

Eine bevorzugte Ausführungsform der Erfindung ist dadurch gekennzeichnet, daß die Enden der Adern form- und/oder oberflächenbehandelt sind. Beispielsweise bei der Verwendung von mehradrigen Litzen, ist es möglich, diese zu verzinnen oder die Oberflächen anderweitig zu behandeln, so daß aus der Ader ein geeignetes Kontaktelement mit einem guten Übergangswiderstand geschaffen werden kann. Dabei dient die Oberflächenbehandlung auch zum Schutz der Leitungsenden.A preferred embodiment of the invention is characterized in that the ends of the wires are molded and / or surface-treated. For example, when using multi-core strands, it is possible to tin them or otherwise treat the surfaces, so that from the wire, a suitable contact element with a good contact resistance can be created. The surface treatment also serves to protect the cable ends.

Darüber hinaus ist es möglich, die Enden der Adern formmäßig zu behandeln. Beispielsweise können sie gebogen oder in anderer vorgegebener Weise verformt werden. Damit lassen sich zum einen größere Auflageflächen zwischen den Enden der Adern und den Kontaktelementen des komplementären Steckverbindungselements schaffen. Zum anderen ist es möglich, optimale Formen für ein Zusammenführen des erfindungsgemäßen elektrischen Steckverbindungselements einerseits und des komplementären Steckverbindungselements andererseits bereitzustellen. Natürlich können die beiden vorgenannten Behandlungsarten auch kombiniert werden. Beispielsweise können die Enden der Adern verzinnt und nachfolgend ge- oder verformt werden.In addition, it is possible to form-treat the ends of the wires. For example, they may be bent or otherwise deformed. This can be on the one hand create larger contact surfaces between the ends of the wires and the contact elements of the complementary connector element. On the other hand, it is possible to provide optimal forms for merging the electrical plug connection element according to the invention on the one hand and the complementary plug connection element on the other hand. Of course, the two aforementioned types of treatment can also be combined. For example, the ends of the wires can be tinned and subsequently formed or deformed.

Von Vorteil ist es ferner, wenn die beiden Gehäuseteile mit einer Rastverbindung in ihrer Endlage gehalten werden. Dazu ist es notwendig, ein Rastelement am Gehäuse des elektrischen Steckverbindungselements vorzusehen. Dieses Rastelement wirkt mit einem Gegenelement am komplementären Steckverbindungselement zusammen.It is also advantageous if the two housing parts are held with a latching connection in its end position. For this purpose, it is necessary to provide a locking element on the housing of the electrical connector element. This locking element cooperates with a counter element on the complementary connector element.

Das Gehäuse ist gemäß einer besonderen Ausführungsform am Kabel angeformt oder angegossen und besteht vorzugsweise aus einem Kunststoffmaterial.The housing is molded or cast on the cable according to a particular embodiment and is preferably made of a plastic material.

Bei der Ausbildung sowohl des Gehäuses des elektrischen Steckverbindungselements wie auch desjenigen des komplementären Steckverbindungselements besteht im wesentlichen große Gestaltungfreiheit. Die beiden Gehäuse werden zunächst durch eine lineare Verschiebung zusammengefügt und dann durch eine gegenseitige Verschwenkbewegung in eine Endlage gebracht, nach der die Kontakte der elektrischen Steckverbindungselemente aufeinander zu liegen kommen. Erfindungswesentlich ist dabei, daß die Enden der Adern direkt als Kontaktelemente zur unmittelbaren Anlage an zugeordnete Kontaktelemente des komplementären Steckverbindungselements dienen.In the formation of both the housing of the electrical connector element as well as that of the complementary connector element is substantially large design freedom. The two housings are first assembled by a linear displacement and then brought by a mutual pivoting movement into an end position, after which the contacts of the electrical connector elements come to rest on each other. Essential to the invention is that the ends of the wires directly serve as contact elements for direct contact with associated contact elements of the complementary connector element.

Natürlich kann das komplementäre Steckverbindungselement auch in erfindungsgemäßer Weise ausgebildet sein, d.h. die Kontaktelemente sind durch die Adern selbst gebildet.Of course, the complementary connector element may also be formed according to the invention, i. the contact elements are formed by the wires themselves.

Ein Ausführungsbeispiel der Erfindung wird nachfolgend und anhand der beiliegenden Beispiele näher erläutert. Die Zeichnungen zeigen in Fig.1 einen Längsschnitt durch eine elektrische Steckverbindung mit einem erfindungsgemäßen Steckverbindungselement und Fig. 2 eine herkömmliche elektrische Steckverbindung.An embodiment of the invention is explained below and with reference to the accompanying examples. The drawings show in Fig.1 a longitudinal section through an electrical connector with a connector element according to the invention and Fig. 2 a conventional electrical connector.

Eine herkömmliche elektrische Steckverbindung, wie sie in Fig. 2 dargestellt ist, umfaßt zwei Steckverbindungselemente 60 und 70, die miteinander zusammengefügt sind. Das Steckverbindungselement 60 umfaßt ein zylindrisches Gehäuse 62, das im Querschnitt etwa U-profilförmig ausgebildet ist. Koaxial in dem Gehäuse 62 ist ein Kontaktstift 64 aufgenommen, der in einen Hohlraum vorspringt. Das Gehäuse 62 ist vorliegend Element eines nicht näher dargestellten Gerätes und an diesem befestigt. Der Kontaktstift 64 erstreckt sich in das Gerät selbst hinein und stellt eine elektrische Verbindung zu einem weiteren elektrischen Leiter dar.A conventional electrical connector, as in Fig. 2 is shown comprises two connector elements 60 and 70, which are joined together. The connector element 60 comprises a cylindrical housing 62, which is approximately U-shaped in cross-section. Coaxially received in the housing 62 is a contact pin 64 projecting into a cavity. The housing 62 is present element of a device not shown and attached thereto. The contact pin 64 extends into the device itself and provides an electrical connection to another electrical conductor.

Ein Gehäuse 72 des zweiten elektrischen Steckverbindungselementes 70 ist komplementär zum Gehäuse 62 ausgebildet und kann in bzw. auf diesem verschoben werden. Das elektrische Steckverbindungselement 70 umfaßt neben dem Gehäuse 72 eine Leitung 74 mit einer elektrischen Ader. Das Ende dieser Leitung 74 ist abisoliert, und ein separates Kontaktteil 76 ist daran befestigt. Das separate Kontaktteil besteht vollständig aus Metall und weist an seinem vorderen Ende eine maulartige Öffnung 78 auf, in die der Kontaktstift 64 beim Zusammenfügen der beiden Gehäuse 62 und 72 zur Bildung einer elektrischen Verbindung hineinverschoben werden kann. Beim Hineinverschieben des Kontaktstiftes 64 in die maulartige Öffnung 78 wird dieses leicht auseinander gedrückt.A housing 72 of the second electrical connector element 70 is formed complementary to the housing 62 and can be moved in or on this. The electrical connector element 70 comprises, in addition to the housing 72, a line 74 with an electrical wire. The end of this lead 74 is stripped and a separate contact member 76 is attached thereto. The separate contact part is made entirely of metal and has at its front end a mouth-like opening 78 into which the contact pin 64 can be displaced when joining the two housings 62 and 72 to form an electrical connection. When pushing the contact pin 64 into the mouth-like opening 78, it is slightly pushed apart.

Das in Fig. 1 dargestellte Beispiel einer erfindungsgemäßen elektrischen Steckverbindung vermeidet nun in vorteilhafter Weise das separate Kontaktteil 76 einer herkömmlichen Steckverbindung gemäß Fig. 2. Das in Fig. 1 dargestellte elektrische Steckverbindungselement 10 soll demjenigen mit Bezugsziffer 60 aus Fig. 2 entsprechen. Insofern ist ein an einem Gerät befestigtes Gehäuse 12 mit im wesentlichen U-profilförmigen Querschnitt vorgesehen, in dem ein Kontaktstift 14 aufgenommen ist.This in Fig. 1 illustrated example of an electrical connector according to the invention now advantageously avoids the separate contact part 76 of a conventional connector according to Fig. 2 , This in Fig. 1 illustrated electrical connector element 10 is intended to those with reference numeral 60 Fig. 2 correspond. In this respect, an attached to a device housing 12 is provided with a substantially U-shaped cross-section, in which a contact pin 14 is received.

Mit dem elektrischen Steckverbindungselement 10 ist ein Steckverbindungselement 20 zu verbinden, das in erfindungsgemäßer Weise ausgebildet ist. Dieses Steckverbindungselement 20 umfaßt ein Kabel, das in ein Gehäuse 22 eingeführt und von diesem umschlossen ist. Das Gehäuse 22 ist insbesondere an das Kabel angeformt und besteht aus Kunststoff.With the electrical connector element 10 is a connector 20 to connect, which is formed in accordance with the invention. This connector 20 comprises a cable which is inserted into a housing 22 and enclosed by this. The housing 22 is formed in particular on the cable and consists of plastic.

Ein abisoliertes Ende des Kabels, das die Ader 26 freigibt, ist zum einen verzinnt, zum anderen ist es derart verformt, daß eine möglichst große Kontaktierungsoberfläche mit dem Kontaktstift 14 des komplementären Steckverbindungselements gebildet werden kann. Im Gehäuse 22 ist eine Ausnehmung 23 vorgesehen, in die der Kontaktstift 14 beim Zusammenführen der beiden Gehäuse 22 und 12 verschoben wird. Das Ende der Ader 26 ist nun derart im Gehäuse angeordnet, daß es einerseits an einer Gehäuseinnenwand 21 anliegt, andererseits von der Ausnehmung 23 zugänglich ist. Beim Zusammenführen der beiden Gehäuseteile 12 und 22 wird . der Kontaktstift 14 in die Ausnehmung 23 verschoben.A stripped end of the cable, which releases the wire 26, is tinned on the one hand, on the other hand, it is deformed such that the largest possible contacting surface with the contact pin 14 of the complementary plug connection element can be formed. In the housing 22, a recess 23 is provided, into which the contact pin 14 is moved when merging the two housings 22 and 12. The end of the core 26 is now arranged in the housing so that it rests on the one hand on a housing inner wall 21, on the other hand accessible from the recess 23. When merging the two housing parts 12 and 22 is , the contact pin 14 is moved into the recess 23.

Dabei sind die beiden Gehäuse 22 und 12 derart komplementär zueinander ausgebildet, daß sie formschlüssig ineinander verschoben werden können.The two housings 22 and 12 are formed so complementary to each other that they can be positively moved into each other.

Durch die geeignete Ausbildung des Gehäuses 26 und die feste Anlage des Kontaktstifts 14 an das Ende der Ader 26 ist eine gasdichte und bewegungsfreie elektrische Verbindung hergestellt, die sich durch ihre Funktionssicherheit auszeichnet. Nicht dargestellt, können die beiden Gehäuse 22 und 12 durch eine Rastverbindung verrastet sein, so daß das Lösen der wiederlösbaren Verbindung erst über einen Widerstand möglich ist. Damit wird ein unbeabsichtigtes Lösen der Verbindung vermieden.Due to the suitable design of the housing 26 and the fixed contact of the contact pin 14 to the end of the wire 26 a gas-tight and motion-free electrical connection is made, which is characterized by their reliability. Not shown, the two housings 22 and 12 may be locked by a latching connection, so that the release of the releasable connection is possible only via a resistor. This avoids unintentional disconnection.

Die Erfindung ist dadurch gekennzeichnet, daß die miteinander zu verbindenden Gehäuse - also die Kupplung - so ausgebildet sind, daß beim Zusammenführen der Gehäuse das Ende 28 der Ad 26 nicht mit dem Kontaktstift 14 in Berührung kommt. Erst durch eine Verschwenkung bzw. Verdrehung nach dem im wesentlichen vollständigen Zusammenführen der beiden Gehäuseteile 12 und 22 werden die Enden 28 der Adern 16 gleitfrei aufeinander zur Anlage gebracht. Mit dieser Vorgehensweise vermeidet man eine durch Reibung hervorgerufene Beschädigung der Leiter-Oberflächen.The invention is characterized in that the housing to be joined together - so the coupling - are designed so that the end 28 of the Ad 26 does not come into contact with the contact pin 14 when merging the housing. Only by a pivoting or rotation after the substantially complete merging of the two housing parts 12 and 22, the ends 28 of the wires 16 are brought to slide against each other to the plant. This procedure avoids friction-induced damage to the conductor surfaces.

Natürlich kann die Erfindung auch auf Verbindungselemente mit einer Vielzahl von Adern angewendet werden. Vorliegend ist in Fig. 1 zur besseren Übersichtlichkeit nur eine elektrische Verbindung dargestellt. Im Übrigen liegt die Ausgestaltung der Gehäuse im Gestaltungsbereich eines Konstrukteurs und kann vom Anwendungsfall bestimmt werden.Of course, the invention can also be applied to connectors having a plurality of wires. Present is in Fig. 1 for clarity, only one electrical connection shown. Incidentally, the design of the housing is in the field of design of a designer and can be determined by the application.

Claims (5)

  1. An electric plug connecting element, which, using a complementary plug connecting element, allows a disconnectable electric plug connection, with a housing (22) and a cable (24) introduced into the housing and held therein with at least one connector (26) surrounded by an insulation, each end (28) of the conductors (26) located in the housing (22) being insulated and being used as a contact element for direct contact on associated contact elements of the complementary plug connecting element, the ends (28) of the conductors (26) being received or embedded in the housing (22) in such a way that in the state connected to the complementary plug connecting element, a movement-free connection can be carried out between the ends (28) of the conductors (26) and the associated contact elements of the complementary plug connecting element and the ends (28) of the connectors (26) come into clamping or pressing contact with the respectively associated contact element of the complementary plug connecting element, and in that the housing (22) with the insulated ends (28) of the conductors (26) is configured in such a way that a substantially sliding friction-free contacting is made possible on joining to the complementary plug connecting element, characterised in that the two plug connecting elements are firstly joined by a linear displacement and then brought by a mutual pivoting movement into an end position, after which the contact elements of the two plug connecting elements come to rest on top of one another.
  2. An electric plug connecting element according to claim 1, characterised in that the ends (28) of the conductors (26) are shape and/or surface treated.
  3. An electric plug connecting element according to claim 1 or 2, characterised in that at least one locking element is provided on the housing (22), which cooperates with a counter-element on the complementary plug connecting element to form a locking connection.
  4. An electric plug connecting element according to any one of claims 1 to 3, characterised in that the housing (22) is moulded or cast onto the cable (24).
  5. An electric plug connecting element according to any one of claims 1 to 4, characterised in that the housing comprises plastics material.
EP00120996A 1999-10-06 2000-09-27 Electrical connector element and system Expired - Lifetime EP1091457B1 (en)

Applications Claiming Priority (2)

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DE19948037A DE19948037B4 (en) 1999-10-06 1999-10-06 Electrical connector and system
DE19948037 1999-10-06

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EP1091457A2 EP1091457A2 (en) 2001-04-11
EP1091457A3 EP1091457A3 (en) 2002-05-08
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US (1) US6736682B1 (en)
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DE (2) DE19948037B4 (en)
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US6736682B1 (en) 2004-05-18
EP1091457A3 (en) 2002-05-08
DE50015945D1 (en) 2010-08-05
DE19948037A1 (en) 2001-05-17
DE19948037B4 (en) 2004-02-19
EP1091457A2 (en) 2001-04-11
ES2344676T3 (en) 2010-09-03

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